Home / 27,897.04-38,505.72-18,832.96

Finding the Fourth Proportional to 27,897.04, 38,505.72 and 18,832.96

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Solution

The fourth proportional to 27,897.04, 38,505.72 and 18,832.96 is: 25,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.04 : 38,505.72 = 18,832.96 : x
  2. Step 2: Convert to fraction form
    27,897.04/38,505.72 = 18,832.96/x
  3. Step 3: Cross multiply
    27,897.04x = 38,505.72 × 18,832.96
  4. Step 4: Simplify right side
    27,897.04x = 725,176,684.53
  5. Step 5: Solve for x
    x = 725,176,684.53/27,897.04
  6. Step 6: Final answer
    x = 25,994.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.